fence-virt: Clarify the path option in serial mode

Add a clarification for the path option when in serial mode.

Clarified text from Chris Mackowski <cmackows@redhat.com>

Resolves: rhbz#1014238

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
fence-virt: Send complete hostlist info

Send all known VM states when we receive a hostlist request.

Resolves: rhbz#1104740

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
fence-virt: Fix mismatched sizeof in memset call

Fix incorrect argument to sizeof used in a memset call.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
fence-virt: Fix small memory leak in the config module

Fix a small memory leak in the simpleconfig module.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
fence-virt: Don't overrwrite saved errno

Fix a bug that caused the saved errno value to be overwritten
on an error path.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>